/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:48:52,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:48:52,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:48:52,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:48:52,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:48:52,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:48:52,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:48:52,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:48:52,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:48:52,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:48:52,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:48:52,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:48:52,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:48:52,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:48:52,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:48:52,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:48:52,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:48:52,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:48:52,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:48:52,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:48:52,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:48:52,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:48:52,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:48:52,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:48:52,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:48:52,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:48:52,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:48:52,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:48:52,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:48:52,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:48:52,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:48:52,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:48:52,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:48:52,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:48:52,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:48:52,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:48:52,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:48:52,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:48:52,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:48:52,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:48:52,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:48:52,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:48:52,118 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:48:52,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:48:52,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:48:52,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:48:52,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:48:52,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:48:52,119 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:48:52,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:48:52,119 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:48:52,120 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:48:52,121 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:48:52,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:48:52,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:48:52,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:48:52,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:48:52,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:48:52,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:48:52,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:48:52,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:48:52,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:48:52,371 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:48:52,372 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:48:52,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2023-03-31 22:48:53,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:48:53,629 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:48:53,630 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2023-03-31 22:48:53,634 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76174d3c/ab0b45aea00a4e73aab90b8554ce576a/FLAGd7b6b8685 [2023-03-31 22:48:53,643 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76174d3c/ab0b45aea00a4e73aab90b8554ce576a [2023-03-31 22:48:53,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:48:53,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:48:53,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:48:53,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:48:53,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:48:53,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311c7566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53, skipping insertion in model container [2023-03-31 22:48:53,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:48:53,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:48:53,769 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2023-03-31 22:48:53,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:48:53,805 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:48:53,815 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2023-03-31 22:48:53,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:48:53,832 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:48:53,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53 WrapperNode [2023-03-31 22:48:53,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:48:53,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:48:53,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:48:53,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:48:53,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:48:53,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:48:53,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:48:53,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:48:53,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (1/1) ... [2023-03-31 22:48:53,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:48:53,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:48:53,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 22:48:53,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 22:48:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:48:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:48:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:48:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2023-03-31 22:48:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 22:48:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 22:48:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2023-03-31 22:48:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2023-03-31 22:48:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2023-03-31 22:48:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2023-03-31 22:48:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:48:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 22:48:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:48:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:48:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:48:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 22:48:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:48:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:48:54,056 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:48:54,058 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:48:54,327 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:48:54,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:48:54,356 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 22:48:54,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:48:54 BoogieIcfgContainer [2023-03-31 22:48:54,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:48:54,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:48:54,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:48:54,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:48:54,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:48:53" (1/3) ... [2023-03-31 22:48:54,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2c625f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:48:54, skipping insertion in model container [2023-03-31 22:48:54,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:48:53" (2/3) ... [2023-03-31 22:48:54,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2c625f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:48:54, skipping insertion in model container [2023-03-31 22:48:54,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:48:54" (3/3) ... [2023-03-31 22:48:54,377 INFO L112 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2023-03-31 22:48:54,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:48:54,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:48:54,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:48:54,429 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6204b8e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:48:54,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:48:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 32 states have internal predecessors, (38), 13 states have call successors, (13), 10 states have call predecessors, (13), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-03-31 22:48:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-03-31 22:48:54,438 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:48:54,438 INFO L195 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] [2023-03-31 22:48:54,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:48:54,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:48:54,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1234564130, now seen corresponding path program 1 times [2023-03-31 22:48:54,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:48:54,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556118968] [2023-03-31 22:48:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:48:54,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:48:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:48:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:48:54,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:48:54,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556118968] [2023-03-31 22:48:54,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556118968] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:48:54,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:48:54,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 22:48:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566768267] [2023-03-31 22:48:54,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:48:54,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 22:48:54,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:48:54,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 22:48:54,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 22:48:54,785 INFO L87 Difference]: Start difference. First operand has 55 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 32 states have internal predecessors, (38), 13 states have call successors, (13), 10 states have call predecessors, (13), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-03-31 22:48:54,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:48:54,902 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2023-03-31 22:48:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 22:48:54,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 23 [2023-03-31 22:48:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:48:54,911 INFO L225 Difference]: With dead ends: 68 [2023-03-31 22:48:54,911 INFO L226 Difference]: Without dead ends: 50 [2023-03-31 22:48:54,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 22:48:54,918 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 19 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:48:54,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 210 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 22:48:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-03-31 22:48:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-03-31 22:48:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 13 states have call successors, (13), 10 states have call predecessors, (13), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-03-31 22:48:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2023-03-31 22:48:54,950 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2023-03-31 22:48:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:48:54,951 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2023-03-31 22:48:54,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2023-03-31 22:48:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-03-31 22:48:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-03-31 22:48:54,952 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:48:54,952 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:48:54,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:48:54,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:48:54,953 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:48:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash 99683723, now seen corresponding path program 1 times [2023-03-31 22:48:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:48:54,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895920389] [2023-03-31 22:48:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:48:54,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:48:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:48:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 22:48:55,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:48:55,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895920389] [2023-03-31 22:48:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895920389] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:48:55,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:48:55,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 22:48:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905696738] [2023-03-31 22:48:55,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:48:55,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 22:48:55,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:48:55,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 22:48:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 22:48:55,054 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 22:48:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:48:55,122 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2023-03-31 22:48:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 22:48:55,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 32 [2023-03-31 22:48:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:48:55,124 INFO L225 Difference]: With dead ends: 65 [2023-03-31 22:48:55,124 INFO L226 Difference]: Without dead ends: 56 [2023-03-31 22:48:55,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-03-31 22:48:55,125 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 41 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 22:48:55,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 188 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 22:48:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-03-31 22:48:55,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-03-31 22:48:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 14 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-03-31 22:48:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2023-03-31 22:48:55,133 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 32 [2023-03-31 22:48:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:48:55,134 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2023-03-31 22:48:55,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-03-31 22:48:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2023-03-31 22:48:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 22:48:55,135 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:48:55,135 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:48:55,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:48:55,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:48:55,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:48:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2046033943, now seen corresponding path program 1 times [2023-03-31 22:48:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:48:55,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325647205] [2023-03-31 22:48:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:48:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:48:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:48:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 22:48:55,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:48:55,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325647205] [2023-03-31 22:48:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325647205] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:48:55,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:48:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 22:48:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736461506] [2023-03-31 22:48:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:48:55,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 22:48:55,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:48:55,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 22:48:55,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-31 22:48:55,347 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 22:48:55,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:48:55,409 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2023-03-31 22:48:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 22:48:55,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) Word has length 53 [2023-03-31 22:48:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:48:55,412 INFO L225 Difference]: With dead ends: 70 [2023-03-31 22:48:55,412 INFO L226 Difference]: Without dead ends: 54 [2023-03-31 22:48:55,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 22:48:55,414 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 22:48:55,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 279 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 22:48:55,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-03-31 22:48:55,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-03-31 22:48:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 13 states have call successors, (13), 12 states have call predecessors, (13), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-03-31 22:48:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2023-03-31 22:48:55,432 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 53 [2023-03-31 22:48:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:48:55,432 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2023-03-31 22:48:55,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 22:48:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2023-03-31 22:48:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 22:48:55,435 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:48:55,436 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:48:55,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 22:48:55,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:48:55,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:48:55,438 INFO L85 PathProgramCache]: Analyzing trace with hash -598915730, now seen corresponding path program 1 times [2023-03-31 22:48:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:48:55,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969053569] [2023-03-31 22:48:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:48:55,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:48:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:48:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 22:48:55,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:48:55,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969053569] [2023-03-31 22:48:55,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969053569] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:48:55,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:48:55,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 22:48:55,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824079758] [2023-03-31 22:48:55,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:48:55,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 22:48:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:48:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 22:48:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 22:48:55,582 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 22:48:55,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:48:55,598 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2023-03-31 22:48:55,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 22:48:55,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2023-03-31 22:48:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:48:55,599 INFO L225 Difference]: With dead ends: 54 [2023-03-31 22:48:55,599 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 22:48:55,602 INFO L412 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 [2023-03-31 22:48:55,603 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 12 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 22:48:55,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 60 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 22:48:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 22:48:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 22:48:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 22:48:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 22:48:55,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2023-03-31 22:48:55,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:48:55,606 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 22:48:55,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-03-31 22:48:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 22:48:55,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 22:48:55,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:48:55,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 22:48:55,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 22:48:55,668 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-03-31 22:48:55,668 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-03-31 22:48:55,668 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2023-03-31 22:48:55,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 50 53) the Hoare annotation is: true [2023-03-31 22:48:55,669 INFO L899 garLoopResultBuilder]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2023-03-31 22:48:55,669 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 6 9) the Hoare annotation is: true [2023-03-31 22:48:55,669 INFO L899 garLoopResultBuilder]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2023-03-31 22:48:55,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 67 70) the Hoare annotation is: true [2023-03-31 22:48:55,669 INFO L899 garLoopResultBuilder]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2023-03-31 22:48:55,669 INFO L899 garLoopResultBuilder]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2023-03-31 22:48:55,669 INFO L895 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2023-03-31 22:48:55,669 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2023-03-31 22:48:55,669 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2023-03-31 22:48:55,671 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2023-03-31 22:48:55,672 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) [2023-03-31 22:48:55,675 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-03-31 22:48:55,676 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2023-03-31 22:48:55,676 INFO L899 garLoopResultBuilder]: For program point L116-1(line 116) no Hoare annotation was computed. [2023-03-31 22:48:55,676 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2023-03-31 22:48:55,676 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 133) the Hoare annotation is: true [2023-03-31 22:48:55,676 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) [2023-03-31 22:48:55,676 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-03-31 22:48:55,676 INFO L895 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2023-03-31 22:48:55,677 INFO L895 garLoopResultBuilder]: At program point error(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1)) [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: false [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 107) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-03-31 22:48:55,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 139) the Hoare annotation is: true [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-03-31 22:48:55,678 INFO L895 garLoopResultBuilder]: At program point L138-2(line 138) the Hoare annotation is: false [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2023-03-31 22:48:55,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 56 58) the Hoare annotation is: true [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-03-31 22:48:55,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 22:48:55,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (not (= |kzalloc_#t~malloc4.base| 0)) [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 48) the Hoare annotation is: true [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 65) the Hoare annotation is: true [2023-03-31 22:48:55,679 INFO L899 garLoopResultBuilder]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2023-03-31 22:48:55,679 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 22:48:55,683 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-03-31 22:48:55,684 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:48:55,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:48:55 BoogieIcfgContainer [2023-03-31 22:48:55,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:48:55,699 INFO L158 Benchmark]: Toolchain (without parser) took 2053.13ms. Allocated memory is still 253.8MB. Free memory was 204.8MB in the beginning and 160.4MB in the end (delta: 44.4MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2023-03-31 22:48:55,699 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:48:55,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.88ms. Allocated memory is still 253.8MB. Free memory was 204.3MB in the beginning and 193.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 22:48:55,699 INFO L158 Benchmark]: Boogie Preprocessor took 30.86ms. Allocated memory is still 253.8MB. Free memory was 193.8MB in the beginning and 191.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 22:48:55,700 INFO L158 Benchmark]: RCFGBuilder took 493.57ms. Allocated memory is still 253.8MB. Free memory was 191.7MB in the beginning and 172.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 22:48:55,700 INFO L158 Benchmark]: TraceAbstraction took 1339.12ms. Allocated memory is still 253.8MB. Free memory was 172.3MB in the beginning and 160.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2023-03-31 22:48:55,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 185.88ms. Allocated memory is still 253.8MB. Free memory was 204.3MB in the beginning and 193.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.86ms. Allocated memory is still 253.8MB. Free memory was 193.8MB in the beginning and 191.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 493.57ms. Allocated memory is still 253.8MB. Free memory was 191.7MB in the beginning and 172.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1339.12ms. Allocated memory is still 253.8MB. Free memory was 172.3MB in the beginning and 160.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * 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 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 737 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 179 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 92 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 59 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 44/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 22:48:55,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...