/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.0-b8ad66e [2020-10-24 01:04:00,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:04:00,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:04:00,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:04:00,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:04:00,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:04:00,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:04:00,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:04:00,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:04:00,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:04:00,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:04:00,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:04:00,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:04:00,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:04:00,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:04:00,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:04:00,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:04:00,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:04:00,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:04:00,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:04:00,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:04:00,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:04:00,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:04:00,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:04:00,357 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:04:00,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:04:00,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:04:00,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:04:00,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:04:00,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:04:00,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:04:00,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:04:00,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:04:00,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:04:00,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:04:00,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:04:00,360 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:04:00,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:04:00,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:04:00,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:04:00,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:04:00,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:04:00,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:04:00,361 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:04:00,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:04:00,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:04:01,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:04:01,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:04:01,092 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:04:01,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-10-24 01:04:01,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c35d1cf/5938bb1b19cf4fa0a87a881c44ff2505/FLAG387280047 [2020-10-24 01:04:01,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:04:01,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-10-24 01:04:01,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c35d1cf/5938bb1b19cf4fa0a87a881c44ff2505/FLAG387280047 [2020-10-24 01:04:02,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c35d1cf/5938bb1b19cf4fa0a87a881c44ff2505 [2020-10-24 01:04:02,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:04:02,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:04:02,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:04:02,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:04:02,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:04:02,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe4bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02, skipping insertion in model container [2020-10-24 01:04:02,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:04:02,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:04:02,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:04:02,544 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:04:02,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:04:02,590 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:04:02,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02 WrapperNode [2020-10-24 01:04:02,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:04:02,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:04:02,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:04:02,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:04:02,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (1/1) ... [2020-10-24 01:04:02,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:04:02,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:04:02,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:04:02,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:04:02,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (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 [2020-10-24 01:04:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:04:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:04:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:04:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-24 01:04:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-24 01:04:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-24 01:04:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-24 01:04:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-24 01:04:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-24 01:04:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-24 01:04:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:04:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:04:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-24 01:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-24 01:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-24 01:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 01:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-24 01:04:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-24 01:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-24 01:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-24 01:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-24 01:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-24 01:04:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:04:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:04:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:04:03,209 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:04:03,209 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-24 01:04:03,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:03 BoogieIcfgContainer [2020-10-24 01:04:03,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:04:03,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:04:03,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:04:03,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:04:03,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:04:02" (1/3) ... [2020-10-24 01:04:03,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0ddec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:03, skipping insertion in model container [2020-10-24 01:04:03,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:02" (2/3) ... [2020-10-24 01:04:03,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0ddec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:03, skipping insertion in model container [2020-10-24 01:04:03,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:03" (3/3) ... [2020-10-24 01:04:03,225 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2020-10-24 01:04:03,238 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:04:03,244 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:04:03,260 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:04:03,296 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:04:03,296 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:04:03,296 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:04:03,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:04:03,297 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:04:03,297 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:04:03,297 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:04:03,297 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:04:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-24 01:04:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-24 01:04:03,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:03,345 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, 1, 1, 1, 1, 1, 1] [2020-10-24 01:04:03,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:03,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash 18993518, now seen corresponding path program 1 times [2020-10-24 01:04:03,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:03,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329261055] [2020-10-24 01:04:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:04:04,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329261055] [2020-10-24 01:04:04,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:04,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 01:04:04,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61659313] [2020-10-24 01:04:04,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:04:04,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:04,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:04:04,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:04:04,043 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 10 states. [2020-10-24 01:04:04,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:04,681 INFO L93 Difference]: Finished difference Result 134 states and 147 transitions. [2020-10-24 01:04:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 01:04:04,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-24 01:04:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:04,696 INFO L225 Difference]: With dead ends: 134 [2020-10-24 01:04:04,696 INFO L226 Difference]: Without dead ends: 109 [2020-10-24 01:04:04,700 INFO L677 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 [2020-10-24 01:04:04,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-24 01:04:04,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2020-10-24 01:04:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-24 01:04:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2020-10-24 01:04:04,769 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 44 [2020-10-24 01:04:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:04,771 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2020-10-24 01:04:04,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:04:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2020-10-24 01:04:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-24 01:04:04,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:04,775 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] [2020-10-24 01:04:04,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:04:04,775 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:04,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1027411211, now seen corresponding path program 1 times [2020-10-24 01:04:04,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:04,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101003702] [2020-10-24 01:04:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:04:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-24 01:04:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:04,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 01:04:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:05,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 01:04:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:04:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-24 01:04:05,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101003702] [2020-10-24 01:04:05,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:04:05,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 01:04:05,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826955368] [2020-10-24 01:04:05,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:04:05,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:04:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:04:05,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:04:05,059 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 10 states. [2020-10-24 01:04:05,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:04:05,846 INFO L93 Difference]: Finished difference Result 130 states and 135 transitions. [2020-10-24 01:04:05,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:04:05,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-24 01:04:05,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:04:05,850 INFO L225 Difference]: With dead ends: 130 [2020-10-24 01:04:05,850 INFO L226 Difference]: Without dead ends: 118 [2020-10-24 01:04:05,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:04:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-24 01:04:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2020-10-24 01:04:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-24 01:04:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2020-10-24 01:04:05,880 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 59 [2020-10-24 01:04:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:04:05,881 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2020-10-24 01:04:05,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:04:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2020-10-24 01:04:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-24 01:04:05,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:04:05,884 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, 1, 1, 1, 1, 1, 1] [2020-10-24 01:04:05,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:04:05,885 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:04:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:04:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash 120025701, now seen corresponding path program 1 times [2020-10-24 01:04:05,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:04:05,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246641345] [2020-10-24 01:04:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:04:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 01:04:05,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 01:04:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 01:04:05,961 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 01:04:06,003 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 01:04:06,004 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 01:04:06,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:04:06,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:04:06 BoogieIcfgContainer [2020-10-24 01:04:06,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 01:04:06,088 INFO L168 Benchmark]: Toolchain (without parser) took 3778.55 ms. Allocated memory was 156.2 MB in the beginning and 197.1 MB in the end (delta: 40.9 MB). Free memory was 133.2 MB in the beginning and 114.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 60.5 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:06,089 INFO L168 Benchmark]: CDTParser took 60.96 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 129.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 01:04:06,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.66 ms. Allocated memory is still 156.2 MB. Free memory was 132.6 MB in the beginning and 121.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:06,091 INFO L168 Benchmark]: Boogie Preprocessor took 44.54 ms. Allocated memory is still 156.2 MB. Free memory was 121.8 MB in the beginning and 120.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:06,092 INFO L168 Benchmark]: RCFGBuilder took 574.02 ms. Allocated memory is still 156.2 MB. Free memory was 119.9 MB in the beginning and 130.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:06,093 INFO L168 Benchmark]: TraceAbstraction took 2869.48 ms. Allocated memory was 156.2 MB in the beginning and 197.1 MB in the end (delta: 40.9 MB). Free memory was 129.8 MB in the beginning and 114.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 56.4 MB. Max. memory is 8.0 GB. [2020-10-24 01:04:06,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 60.96 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 129.0 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 266.66 ms. Allocated memory is still 156.2 MB. Free memory was 132.6 MB in the beginning and 121.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.54 ms. Allocated memory is still 156.2 MB. Free memory was 121.8 MB in the beginning and 120.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 574.02 ms. Allocated memory is still 156.2 MB. Free memory was 119.9 MB in the beginning and 130.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2869.48 ms. Allocated memory was 156.2 MB in the beginning and 197.1 MB in the end (delta: 40.9 MB). Free memory was 129.8 MB in the beginning and 114.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 56.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] struct slot *tmp_slot; VAL [\old(freed_tmp_slot)=66, \old(tmp_slot)=59, \old(tmp_slot)=51, \old(used_tmp_slot)=61, freed_tmp_slot=66, tmp_slot={0:0}, used_tmp_slot=61] [L43] int used_tmp_slot = 0; VAL [\old(freed_tmp_slot)=66, \old(tmp_slot)=59, \old(tmp_slot)=51, \old(used_tmp_slot)=61, freed_tmp_slot=66, tmp_slot={0:0}, used_tmp_slot=0] [L44] int freed_tmp_slot = 1; VAL [\old(freed_tmp_slot)=66, \old(tmp_slot)=51, \old(tmp_slot)=59, \old(used_tmp_slot)=61, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L138] 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] [L75] 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] [L77] 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] [L78] 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] [L80] 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] [L49] 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] [L49] 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] [L80] 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] [L80] 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] [L81] 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] [L85] 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] [L87] 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] [L49] 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] [L49] 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] [L87] 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] [L87] 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] [L89] 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] [L94] 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] [L95] 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] [L97] 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] [L98] 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] [L100] 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] [L58] 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] [L59] 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] [L100] 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] [L100] 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] [L101] 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] [L102] 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] [L129] 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={0:65}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L129] 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={0:65}, tmp_slot={-2:0}, used_tmp_slot=0] [L52] 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={0:65}, p={0:65}, tmp_slot={-2:0}, used_tmp_slot=0] [L129] 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={0:65}, rc=-3, tmp_slot={-2:0}, used_tmp_slot=0] [L134] 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] [L138] 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] [L139] 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] [L140] (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] [L140] 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] [L9] CALL reach_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] [L3] __assert_fail("0", "rule57_ebda_blast_2.i", 3, "reach_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 12 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 198 SDtfs, 307 SDslu, 566 SDs, 0 SdLazy, 700 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 18072 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...