./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_0682b.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_0682b.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 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:02,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:02,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:35:02,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:02,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:02,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:02,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:02,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:02,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:02,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:02,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:02,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:02,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:02,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:02,836 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:02,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:02,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:02,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:02,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:35:02,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:02,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:02,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:02,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:02,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:02,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:02,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:02,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:02,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:02,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:02,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:02,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:02,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:02,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:02,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:02,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:02,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:02,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:35:02,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:35:02,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:02,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:02,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:02,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:02,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 [2024-10-11 00:35:03,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:03,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:03,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:03,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:03,206 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:03,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2024-10-11 00:35:04,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:05,034 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:05,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2024-10-11 00:35:05,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/605e39374/57f96a168a5c4a128cc6246b2ecc931c/FLAG6d08cb4a1 [2024-10-11 00:35:05,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/605e39374/57f96a168a5c4a128cc6246b2ecc931c [2024-10-11 00:35:05,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:05,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:05,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:05,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:05,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:05,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c250ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05, skipping insertion in model container [2024-10-11 00:35:05,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:05,419 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_0682b.c[6873,6886] [2024-10-11 00:35:05,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:05,434 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:05,507 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_0682b.c[6873,6886] [2024-10-11 00:35:05,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:05,536 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:05,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05 WrapperNode [2024-10-11 00:35:05,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:05,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:05,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:05,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:05,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,627 INFO L138 Inliner]: procedures = 21, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 388 [2024-10-11 00:35:05,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:05,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:05,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:05,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:05,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,720 INFO L175 MemorySlicer]: Split 63 memory accesses to 14 slices as follows [2, 2, 3, 3, 7, 7, 22, 3, 2, 2, 2, 3, 3, 2]. 35 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 1, 1, 1, 0, 0, 0, 2, 1, 1, 1, 2, 1, 1]. [2024-10-11 00:35:05,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:05,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:05,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:05,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:05,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (1/1) ... [2024-10-11 00:35:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:05,842 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 00:35:05,846 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 00:35:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:35:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:35:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:35:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:35:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:35:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:35:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:35:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 00:35:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:35:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:35:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:35:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:35:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:35:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:35:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:35:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:35:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:35:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:35:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:35:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:35:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:35:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:35:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:35:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:35:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:35:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:35:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:35:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:35:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:35:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 00:35:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 00:35:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:35:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-11 00:35:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:35:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:35:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 00:35:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 00:35:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:35:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:35:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-11 00:35:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-11 00:35:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:06,183 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:06,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:06,848 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:06,849 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:06,903 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:06,903 INFO L314 CfgBuilder]: Removed 20 assume(true) statements. [2024-10-11 00:35:06,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:06 BoogieIcfgContainer [2024-10-11 00:35:06,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:06,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:06,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:06,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:06,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:05" (1/3) ... [2024-10-11 00:35:06,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578e416e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:06, skipping insertion in model container [2024-10-11 00:35:06,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:05" (2/3) ... [2024-10-11 00:35:06,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578e416e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:06, skipping insertion in model container [2024-10-11 00:35:06,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:06" (3/3) ... [2024-10-11 00:35:06,915 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2024-10-11 00:35:06,935 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:06,936 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:07,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:07,015 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;@5d80dda0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:07,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 122 states have (on average 1.6885245901639345) internal successors, (206), 123 states have internal predecessors, (206), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-11 00:35:07,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:07,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:07,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:07,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:07,042 INFO L85 PathProgramCache]: Analyzing trace with hash 49609836, now seen corresponding path program 1 times [2024-10-11 00:35:07,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:07,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610758517] [2024-10-11 00:35:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:07,271 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 00:35:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:07,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610758517] [2024-10-11 00:35:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610758517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:07,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:07,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:07,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451794742] [2024-10-11 00:35:07,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:07,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:07,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:07,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:07,304 INFO L87 Difference]: Start difference. First operand has 130 states, 122 states have (on average 1.6885245901639345) internal successors, (206), 123 states have internal predecessors, (206), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:07,389 INFO L93 Difference]: Finished difference Result 259 states and 431 transitions. [2024-10-11 00:35:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:07,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-11 00:35:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:07,404 INFO L225 Difference]: With dead ends: 259 [2024-10-11 00:35:07,405 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 00:35:07,411 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 00:35:07,417 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:07,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:35:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 00:35:07,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-11 00:35:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 120 states have (on average 1.5083333333333333) internal successors, (181), 120 states have internal predecessors, (181), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2024-10-11 00:35:07,464 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 22 [2024-10-11 00:35:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:07,464 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2024-10-11 00:35:07,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2024-10-11 00:35:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 00:35:07,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:07,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:07,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:35:07,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:07,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1064176321, now seen corresponding path program 1 times [2024-10-11 00:35:07,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:07,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124014141] [2024-10-11 00:35:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:07,708 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 00:35:07,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:07,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124014141] [2024-10-11 00:35:07,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124014141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:07,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:07,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:35:07,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709955237] [2024-10-11 00:35:07,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:07,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:35:07,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:07,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:35:07,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:07,717 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:07,782 INFO L93 Difference]: Finished difference Result 235 states and 352 transitions. [2024-10-11 00:35:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:35:07,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-11 00:35:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:07,787 INFO L225 Difference]: With dead ends: 235 [2024-10-11 00:35:07,787 INFO L226 Difference]: Without dead ends: 127 [2024-10-11 00:35:07,788 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 00:35:07,791 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:07,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:35:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-11 00:35:07,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-10-11 00:35:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 120 states have (on average 1.5) internal successors, (180), 120 states have internal predecessors, (180), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 188 transitions. [2024-10-11 00:35:07,812 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 188 transitions. Word has length 25 [2024-10-11 00:35:07,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:07,812 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 188 transitions. [2024-10-11 00:35:07,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 188 transitions. [2024-10-11 00:35:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 00:35:07,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:07,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:07,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:35:07,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:07,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:07,815 INFO L85 PathProgramCache]: Analyzing trace with hash -594016901, now seen corresponding path program 1 times [2024-10-11 00:35:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:07,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030996706] [2024-10-11 00:35:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:08,398 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 00:35:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030996706] [2024-10-11 00:35:08,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030996706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:08,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956314923] [2024-10-11 00:35:08,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:08,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:35:08,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:08,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:35:08,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:35:08,402 INFO L87 Difference]: Start difference. First operand 127 states and 188 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:08,492 INFO L93 Difference]: Finished difference Result 244 states and 362 transitions. [2024-10-11 00:35:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:35:08,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-11 00:35:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:08,495 INFO L225 Difference]: With dead ends: 244 [2024-10-11 00:35:08,495 INFO L226 Difference]: Without dead ends: 131 [2024-10-11 00:35:08,496 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 00:35:08,497 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 2 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:08,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 517 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:35:08,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-11 00:35:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-10-11 00:35:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 123 states have (on average 1.4878048780487805) internal successors, (183), 123 states have internal predecessors, (183), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 191 transitions. [2024-10-11 00:35:08,507 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 191 transitions. Word has length 28 [2024-10-11 00:35:08,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:08,507 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 191 transitions. [2024-10-11 00:35:08,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2024-10-11 00:35:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 00:35:08,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:08,510 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 00:35:08,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:35:08,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:08,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1516285187, now seen corresponding path program 1 times [2024-10-11 00:35:08,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:08,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662249536] [2024-10-11 00:35:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:08,837 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 00:35:08,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:08,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662249536] [2024-10-11 00:35:08,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662249536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:08,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:08,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:08,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25473151] [2024-10-11 00:35:08,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:08,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:35:08,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:08,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:35:08,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:35:08,840 INFO L87 Difference]: Start difference. First operand 130 states and 191 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:08,903 INFO L93 Difference]: Finished difference Result 218 states and 326 transitions. [2024-10-11 00:35:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:35:08,908 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 00:35:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:08,912 INFO L225 Difference]: With dead ends: 218 [2024-10-11 00:35:08,912 INFO L226 Difference]: Without dead ends: 132 [2024-10-11 00:35:08,913 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 00:35:08,914 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:08,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 521 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:35:08,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-11 00:35:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-10-11 00:35:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.48) internal successors, (185), 125 states have internal predecessors, (185), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 193 transitions. [2024-10-11 00:35:08,932 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 193 transitions. Word has length 29 [2024-10-11 00:35:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:08,933 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 193 transitions. [2024-10-11 00:35:08,933 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 00:35:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2024-10-11 00:35:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 00:35:08,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:08,934 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 00:35:08,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 00:35:08,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:08,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:08,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1313038349, now seen corresponding path program 1 times [2024-10-11 00:35:08,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:08,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6402005] [2024-10-11 00:35:08,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:09,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:35:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:09,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:35:09,211 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:35:09,214 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:35:09,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 00:35:09,219 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 00:35:09,254 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 00:35:09,263 INFO L158 Benchmark]: Toolchain (without parser) took 4195.52ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 94.8MB in the beginning and 162.0MB in the end (delta: -67.2MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,263 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 111.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:35:09,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.24ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 77.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.19ms. Allocated memory is still 151.0MB. Free memory was 77.3MB in the beginning and 73.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,264 INFO L158 Benchmark]: Boogie Preprocessor took 149.16ms. Allocated memory is still 151.0MB. Free memory was 73.9MB in the beginning and 68.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,268 INFO L158 Benchmark]: RCFGBuilder took 1121.58ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 67.6MB in the beginning and 139.5MB in the end (delta: -71.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,269 INFO L158 Benchmark]: TraceAbstraction took 2354.61ms. Allocated memory is still 213.9MB. Free memory was 139.5MB in the beginning and 162.0MB in the end (delta: -22.6MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-10-11 00:35:09,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 111.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.24ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 77.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.19ms. Allocated memory is still 151.0MB. Free memory was 77.3MB in the beginning and 73.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.16ms. Allocated memory is still 151.0MB. Free memory was 73.9MB in the beginning and 68.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1121.58ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 67.6MB in the beginning and 139.5MB in the end (delta: -71.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2354.61ms. Allocated memory is still 213.9MB. Free memory was 139.5MB in the beginning and 162.0MB in the end (delta: -22.6MB). Peak memory consumption was 83.3MB. 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 00:35:09,312 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_0682b.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 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:11,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:11,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:35:11,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:11,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:11,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:11,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:11,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:11,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:11,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:11,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:11,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:11,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:11,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:11,867 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:11,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:11,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:11,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:11,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:11,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:11,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:11,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:11,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:11,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:35:11,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:35:11,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:11,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:35:11,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:11,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:11,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:11,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:11,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:11,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:11,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:11,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:11,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:11,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:11,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:11,882 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:35:11,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:35:11,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:11,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:11,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:11,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:11,884 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:35:11,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04255db23fa2b33ef965cf216e618982ce4f05405d3eba07d1c5e94169a40ce3 [2024-10-11 00:35:12,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:12,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:12,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:12,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:12,302 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:12,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2024-10-11 00:35:13,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:14,209 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:14,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2024-10-11 00:35:14,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f5a5aa940/a0f6bfcd00ae4bf7b45f7df15e14fc93/FLAG1824c26da [2024-10-11 00:35:14,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f5a5aa940/a0f6bfcd00ae4bf7b45f7df15e14fc93 [2024-10-11 00:35:14,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:14,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:14,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:14,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:14,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:14,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24360755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14, skipping insertion in model container [2024-10-11 00:35:14,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:14,594 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_0682b.c[6873,6886] [2024-10-11 00:35:14,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:14,626 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:14,706 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_0682b.c[6873,6886] [2024-10-11 00:35:14,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:14,745 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:14,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14 WrapperNode [2024-10-11 00:35:14,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:14,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:14,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:14,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:14,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,845 INFO L138 Inliner]: procedures = 24, calls = 98, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 278 [2024-10-11 00:35:14,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:14,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:14,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:14,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:14,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,942 INFO L175 MemorySlicer]: Split 63 memory accesses to 14 slices as follows [2, 2, 2, 7, 3, 7, 22, 3, 2, 3, 3, 3, 2, 2]. 35 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 12 writes are split as follows [0, 1, 1, 0, 1, 0, 0, 2, 1, 2, 1, 1, 1, 1]. [2024-10-11 00:35:14,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:14,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:15,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:15,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:15,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:15,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:15,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:15,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:15,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (1/1) ... [2024-10-11 00:35:15,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:15,076 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 00:35:15,079 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 00:35:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:35:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:35:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:35:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:35:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-11 00:35:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:35:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:35:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:35:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-11 00:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-11 00:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:35:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:35:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-11 00:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-11 00:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:35:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:35:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:35:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:35:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:35:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-11 00:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:15,389 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:15,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:53,021 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:53,021 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:53,077 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:53,079 INFO L314 CfgBuilder]: Removed 20 assume(true) statements. [2024-10-11 00:35:53,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:53 BoogieIcfgContainer [2024-10-11 00:35:53,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:53,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:53,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:53,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:53,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:14" (1/3) ... [2024-10-11 00:35:53,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44385fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:53, skipping insertion in model container [2024-10-11 00:35:53,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:14" (2/3) ... [2024-10-11 00:35:53,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44385fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:53, skipping insertion in model container [2024-10-11 00:35:53,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:53" (3/3) ... [2024-10-11 00:35:53,091 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2024-10-11 00:35:53,109 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:53,109 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:53,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:53,191 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;@dbfc993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:53,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 80 states have (on average 1.7375) internal successors, (139), 81 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 00:35:53,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:53,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:53,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:53,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:53,214 INFO L85 PathProgramCache]: Analyzing trace with hash 448528835, now seen corresponding path program 1 times [2024-10-11 00:35:53,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:53,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597016078] [2024-10-11 00:35:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:53,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:53,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:53,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:53,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 00:35:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:53,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:35:53,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:53,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:53,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:53,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597016078] [2024-10-11 00:35:53,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597016078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:53,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:53,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504515607] [2024-10-11 00:35:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:53,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:53,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:53,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:53,701 INFO L87 Difference]: Start difference. First operand has 88 states, 80 states have (on average 1.7375) internal successors, (139), 81 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:54,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:54,478 INFO L93 Difference]: Finished difference Result 175 states and 297 transitions. [2024-10-11 00:35:54,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:54,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 00:35:54,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:54,490 INFO L225 Difference]: With dead ends: 175 [2024-10-11 00:35:54,491 INFO L226 Difference]: Without dead ends: 85 [2024-10-11 00:35:54,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:54,500 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:54,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 00:35:54,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-11 00:35:54,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-10-11 00:35:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 78 states have internal predecessors, (114), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2024-10-11 00:35:54,547 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 13 [2024-10-11 00:35:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:54,548 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2024-10-11 00:35:54,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-10-11 00:35:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:35:54,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:54,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:54,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-11 00:35:54,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:54,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:54,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash -624989546, now seen corresponding path program 1 times [2024-10-11 00:35:54,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:54,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001564239] [2024-10-11 00:35:54,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:54,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:54,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 00:35:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:55,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 00:35:55,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:55,548 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 00:35:55,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:55,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:55,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001564239] [2024-10-11 00:35:55,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001564239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:55,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:35:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002971555] [2024-10-11 00:35:55,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:55,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:35:55,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:55,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:35:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:55,552 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:56,895 INFO L93 Difference]: Finished difference Result 162 states and 235 transitions. [2024-10-11 00:35:56,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:35:56,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-11 00:35:56,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:56,898 INFO L225 Difference]: With dead ends: 162 [2024-10-11 00:35:56,898 INFO L226 Difference]: Without dead ends: 85 [2024-10-11 00:35:56,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:35:56,901 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:56,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 00:35:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-11 00:35:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-10-11 00:35:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 78 states have internal predecessors, (113), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2024-10-11 00:35:56,911 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 16 [2024-10-11 00:35:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:56,911 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2024-10-11 00:35:56,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2024-10-11 00:35:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 00:35:56,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:56,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:56,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 00:35:57,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:57,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:57,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash 328694493, now seen corresponding path program 1 times [2024-10-11 00:35:57,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:57,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74368834] [2024-10-11 00:35:57,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:57,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:57,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:57,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:57,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 00:35:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:57,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 00:35:57,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:28,926 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 00:36:28,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:28,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:28,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74368834] [2024-10-11 00:36:28,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74368834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:28,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:28,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 00:36:28,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458477783] [2024-10-11 00:36:28,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:28,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 00:36:28,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:28,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 00:36:28,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-10-11 00:36:28,929 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)