/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:26:13,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:26:13,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:26:13,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:26:13,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:26:13,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:26:13,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:26:13,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:26:13,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:26:13,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:26:13,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:26:13,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:26:13,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:26:13,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:26:13,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:26:13,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:26:13,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:26:13,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:26:13,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:26:13,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:26:13,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:26:13,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:26:13,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:26:13,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:26:13,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:26:13,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:26:13,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:26:13,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:26:13,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:26:13,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 17:26:13,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:26:13,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:26:13,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:26:13,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:26:13,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:26:13,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:26:13,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:26:13,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:26:13,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:26:13,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:26:13,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:26:13,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:26:13,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:26:13,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:26:13,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:26:13,668 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:26:13,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:26:13,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:26:13,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:26:13,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:26:13,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:26:13,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:26:13,673 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:26:13,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:26:13,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:26:13,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:26:13,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:26:13,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:26:13,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:26:13,675 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:26:13,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:26:13,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:26:13,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:26:13,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:26:13,958 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:26:13,958 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-07-17 17:26:14,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4c5b5b2/84c53a8527c24878a502c9284f67541c/FLAG20e97b1c4 [2020-07-17 17:26:14,496 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:26:14,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-07-17 17:26:14,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4c5b5b2/84c53a8527c24878a502c9284f67541c/FLAG20e97b1c4 [2020-07-17 17:26:14,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4c5b5b2/84c53a8527c24878a502c9284f67541c [2020-07-17 17:26:14,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:26:14,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:26:14,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:26:14,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:26:14,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:26:14,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:26:14" (1/1) ... [2020-07-17 17:26:14,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5445e8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:14, skipping insertion in model container [2020-07-17 17:26:14,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:26:14" (1/1) ... [2020-07-17 17:26:14,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:26:14,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:26:15,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:26:15,077 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:26:15,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:26:15,214 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:26:15,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15 WrapperNode [2020-07-17 17:26:15,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:26:15,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:26:15,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:26:15,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:26:15,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... [2020-07-17 17:26:15,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:26:15,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:26:15,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:26:15,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:26:15,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-17 17:26:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-07-17 17:26:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-07-17 17:26:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-07-17 17:26:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-07-17 17:26:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:26:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-17 17:26:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:26:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-17 17:26:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-17 17:26:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-07-17 17:26:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-07-17 17:26:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-07-17 17:26:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-07-17 17:26:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:26:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 17:26:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 17:26:15,731 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:26:15,731 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 17:26:15,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:26:15 BoogieIcfgContainer [2020-07-17 17:26:15,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:26:15,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:26:15,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:26:15,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:26:15,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:26:14" (1/3) ... [2020-07-17 17:26:15,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f6cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:26:15, skipping insertion in model container [2020-07-17 17:26:15,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:15" (2/3) ... [2020-07-17 17:26:15,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f6cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:26:15, skipping insertion in model container [2020-07-17 17:26:15,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:26:15" (3/3) ... [2020-07-17 17:26:15,744 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2020-07-17 17:26:15,754 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:26:15,761 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:26:15,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:26:15,792 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:26:15,792 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:26:15,792 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:26:15,792 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:26:15,792 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:26:15,793 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:26:15,793 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:26:15,793 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:26:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-07-17 17:26:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 17:26:15,822 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:26:15,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:26:15,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:26:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:26:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1030867920, now seen corresponding path program 1 times [2020-07-17 17:26:15,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:26:15,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123497849] [2020-07-17 17:26:15,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:26:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:26:16,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123497849] [2020-07-17 17:26:16,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:26:16,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 17:26:16,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920273156] [2020-07-17 17:26:16,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:26:16,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:26:16,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:26:16,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:26:16,357 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 10 states. [2020-07-17 17:26:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:26:16,959 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2020-07-17 17:26:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 17:26:16,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-07-17 17:26:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:26:16,985 INFO L225 Difference]: With dead ends: 124 [2020-07-17 17:26:16,986 INFO L226 Difference]: Without dead ends: 103 [2020-07-17 17:26:16,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:26:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-17 17:26:17,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-07-17 17:26:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-17 17:26:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2020-07-17 17:26:17,085 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 38 [2020-07-17 17:26:17,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:26:17,093 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2020-07-17 17:26:17,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:26:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2020-07-17 17:26:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 17:26:17,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:26:17,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:26:17,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:26:17,103 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:26:17,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:26:17,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1857982353, now seen corresponding path program 1 times [2020-07-17 17:26:17,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:26:17,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441069340] [2020-07-17 17:26:17,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:26:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:26:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 17:26:17,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441069340] [2020-07-17 17:26:17,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:26:17,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 17:26:17,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631272380] [2020-07-17 17:26:17,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:26:17,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:26:17,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:26:17,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:26:17,371 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 10 states. [2020-07-17 17:26:17,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:26:17,980 INFO L93 Difference]: Finished difference Result 123 states and 128 transitions. [2020-07-17 17:26:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 17:26:17,981 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-07-17 17:26:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:26:17,985 INFO L225 Difference]: With dead ends: 123 [2020-07-17 17:26:17,985 INFO L226 Difference]: Without dead ends: 112 [2020-07-17 17:26:17,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:26:17,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-17 17:26:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2020-07-17 17:26:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-17 17:26:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2020-07-17 17:26:18,025 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 53 [2020-07-17 17:26:18,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:26:18,026 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2020-07-17 17:26:18,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:26:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2020-07-17 17:26:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-17 17:26:18,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:26:18,032 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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] [2020-07-17 17:26:18,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:26:18,035 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:26:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:26:18,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1972643668, now seen corresponding path program 1 times [2020-07-17 17:26:18,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:26:18,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564643435] [2020-07-17 17:26:18,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:26:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:26:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:26:18,210 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 17:26:18,211 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 17:26:18,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:26:18,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:26:18 BoogieIcfgContainer [2020-07-17 17:26:18,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:26:18,301 INFO L168 Benchmark]: Toolchain (without parser) took 3452.12 ms. Allocated memory was 140.0 MB in the beginning and 244.8 MB in the end (delta: 104.9 MB). Free memory was 103.9 MB in the beginning and 154.4 MB in the end (delta: -50.5 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,302 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.48 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 183.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,305 INFO L168 Benchmark]: Boogie Preprocessor took 44.38 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,308 INFO L168 Benchmark]: RCFGBuilder took 476.98 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 152.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,311 INFO L168 Benchmark]: TraceAbstraction took 2560.02 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 152.9 MB in the beginning and 154.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:18,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.48 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 183.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.38 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.98 ms. Allocated memory is still 203.9 MB. Free memory was 180.6 MB in the beginning and 152.9 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2560.02 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 152.9 MB in the beginning and 154.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] struct slot *tmp_slot; VAL [\old(freed_tmp_slot)=26, \old(tmp_slot)=20, \old(tmp_slot)=24, \old(used_tmp_slot)=25, freed_tmp_slot=26, tmp_slot={0:0}, used_tmp_slot=25] [L41] int used_tmp_slot = 0; VAL [\old(freed_tmp_slot)=26, \old(tmp_slot)=20, \old(tmp_slot)=24, \old(used_tmp_slot)=25, freed_tmp_slot=26, tmp_slot={0:0}, used_tmp_slot=0] [L42] int freed_tmp_slot = 1; VAL [\old(freed_tmp_slot)=26, \old(tmp_slot)=20, \old(tmp_slot)=24, \old(used_tmp_slot)=25, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L136] CALL ebda_rsrc_controller() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L73] struct hotplug_slot *hp_slot_ptr; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L75] struct bus_info *bus_info_ptr1; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L76] int rc; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L78] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L47] EXPR, FCALL calloc(1, size) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, calloc(1, size)={-1:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L47] return calloc(1, size); VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={-1:0}, calloc(1, size)={-1:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L78] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, kzalloc(sizeof(*hp_slot_ptr), 1)={-1:0}, tmp_slot={0:0}, used_tmp_slot=0] [L78] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, kzalloc(sizeof(*hp_slot_ptr), 1)={-1:0}, tmp_slot={0:0}, used_tmp_slot=0] [L79] COND FALSE !(!hp_slot_ptr) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, tmp_slot={0:0}, used_tmp_slot=0] [L83] hp_slot_ptr->b = 5 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, tmp_slot={0:0}, used_tmp_slot=0] [L85] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L47] EXPR, FCALL calloc(1, size) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, calloc(1, size)={-2:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L47] return calloc(1, size); VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={-2:0}, calloc(1, size)={-2:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L85] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, kzalloc(sizeof(*tmp_slot), 1)={-2:0}, tmp_slot={0:0}, used_tmp_slot=0] [L85] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, kzalloc(sizeof(*tmp_slot), 1)={-2:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L87] COND FALSE !(!tmp_slot) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L92] used_tmp_slot = 0 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L93] freed_tmp_slot = 0 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L95] tmp_slot->a = 2 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L96] tmp_slot->b = 3 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L98] CALL, EXPR ibmphp_find_same_bus_num() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L56] COND TRUE __VERIFIER_nondet_int() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, __VERIFIER_nondet_int()=1, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L57] return 0; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={0:0}, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L98] RET, EXPR ibmphp_find_same_bus_num() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={-1:0}, ibmphp_find_same_bus_num()={0:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L98] bus_info_ptr1 = ibmphp_find_same_bus_num() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, ibmphp_find_same_bus_num()={0:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L99] COND TRUE !bus_info_ptr1 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, tmp_slot={-2:0}, used_tmp_slot=0] [L100] rc = -3 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L127] EXPR hp_slot_ptr->private VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, hp_slot_ptr->private={0:29}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L127] CALL kfree(hp_slot_ptr->private) VAL [\old(freed_tmp_slot)=0, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, p={0:29}, tmp_slot={-2:0}, used_tmp_slot=0] [L50] COND FALSE !(p!=0 && p==tmp_slot) VAL [\old(freed_tmp_slot)=0, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, p={0:29}, p={0:29}, tmp_slot={-2:0}, used_tmp_slot=0] [L127] RET kfree(hp_slot_ptr->private) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, hp_slot_ptr->private={0:29}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L132] return rc; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result=-3, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-1:0}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L136] RET ebda_rsrc_controller() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, ebda_rsrc_controller()=-3, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L137] COND TRUE !used_tmp_slot VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L138] (freed_tmp_slot) ? (0) : __blast_assert () VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L138] CALL __blast_assert () VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L7] __VERIFIER_error() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 329 SDslu, 478 SDs, 0 SdLazy, 599 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 13545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...