/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 16:23:29,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:23:29,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:23:29,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:23:29,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:23:29,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:23:29,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:23:29,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:23:29,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:23:29,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:23:29,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:23:29,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:23:29,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:23:29,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:23:29,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:23:29,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:23:29,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:23:29,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:23:29,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:23:29,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:23:29,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:23:29,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:23:29,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:23:29,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:23:29,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 16:23:29,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 16:23:29,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 16:23:29,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 16:23:29,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 16:23:29,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 16:23:29,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 16:23:29,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 16:23:29,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 16:23:29,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:23:29,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:23:29,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:23:29,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:23:29,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:23:29,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:23:29,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:23:29,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:23:29,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:23:29,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:23:29,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:23:29,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:23:29,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:23:29,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:23:29,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:23:29,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:23:29,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:23:29,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:23:29,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:23:29,491 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:23:29,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:23:29,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:23:29,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:23:29,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:23:29,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:23:29,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:23:29,493 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:23:29,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:23:29,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:23:29,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:23:29,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:23:29,784 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:23:29,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-07-08 16:23:29,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489a5a298/6a77e8eb585a4165bd7f7d37d3ee071a/FLAG765779893 [2020-07-08 16:23:30,333 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:23:30,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-07-08 16:23:30,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489a5a298/6a77e8eb585a4165bd7f7d37d3ee071a/FLAG765779893 [2020-07-08 16:23:30,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/489a5a298/6a77e8eb585a4165bd7f7d37d3ee071a [2020-07-08 16:23:30,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:23:30,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:23:30,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:23:30,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:23:30,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:23:30,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:23:30" (1/1) ... [2020-07-08 16:23:30,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f91136a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:30, skipping insertion in model container [2020-07-08 16:23:30,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:23:30" (1/1) ... [2020-07-08 16:23:30,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:23:30,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:23:30,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:23:30,944 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:23:30,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:23:31,081 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:23:31,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31 WrapperNode [2020-07-08 16:23:31,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:23:31,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:23:31,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:23:31,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:23:31,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (1/1) ... [2020-07-08 16:23:31,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:23:31,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:23:31,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:23:31,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:23:31,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (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 [2020-07-08 16:23:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-07-08 16:23:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-07-08 16:23:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-07-08 16:23:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:23:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-08 16:23:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:23:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-08 16:23:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 16:23:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 16:23:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 16:23:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 16:23:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 16:23:31,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:23:31,834 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 16:23:31,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:23:31 BoogieIcfgContainer [2020-07-08 16:23:31,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:23:31,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:23:31,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:23:31,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:23:31,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:23:30" (1/3) ... [2020-07-08 16:23:31,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68323760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:23:31, skipping insertion in model container [2020-07-08 16:23:31,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:23:31" (2/3) ... [2020-07-08 16:23:31,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68323760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:23:31, skipping insertion in model container [2020-07-08 16:23:31,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:23:31" (3/3) ... [2020-07-08 16:23:31,849 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-07-08 16:23:31,860 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:23:31,868 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:23:31,881 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:23:31,898 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:23:31,898 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:23:31,899 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:23:31,899 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:23:31,899 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:23:31,899 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:23:31,899 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:23:31,899 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:23:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-07-08 16:23:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 16:23:31,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:23:31,930 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] [2020-07-08 16:23:31,931 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:23:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:23:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash 991863416, now seen corresponding path program 1 times [2020-07-08 16:23:31,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:23:31,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004797251] [2020-07-08 16:23:31,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:23:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:32,245 INFO L280 TraceCheckUtils]: 0: Hoare triple {137#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {106#true} is VALID [2020-07-08 16:23:32,245 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} #valid := #valid[0 := 0]; {106#true} is VALID [2020-07-08 16:23:32,246 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} assume 0 < #StackHeapBarrier; {106#true} is VALID [2020-07-08 16:23:32,246 INFO L280 TraceCheckUtils]: 3: Hoare triple {106#true} ~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0; {106#true} is VALID [2020-07-08 16:23:32,247 INFO L280 TraceCheckUtils]: 4: Hoare triple {106#true} ~used_tmp_slot~0 := 0; {106#true} is VALID [2020-07-08 16:23:32,247 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#true} ~freed_tmp_slot~0 := 1; {106#true} is VALID [2020-07-08 16:23:32,248 INFO L280 TraceCheckUtils]: 6: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,248 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {106#true} {106#true} #151#return; {106#true} is VALID [2020-07-08 16:23:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:32,526 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {106#true} is VALID [2020-07-08 16:23:32,527 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,529 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {106#true} {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,530 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {106#true} is VALID [2020-07-08 16:23:32,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} ~flags := #in~flags; {106#true} is VALID [2020-07-08 16:23:32,545 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,548 INFO L263 TraceCheckUtils]: 3: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {157#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:32,548 INFO L280 TraceCheckUtils]: 4: Hoare triple {157#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {106#true} is VALID [2020-07-08 16:23:32,549 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,550 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {106#true} {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,552 INFO L280 TraceCheckUtils]: 7: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,553 INFO L280 TraceCheckUtils]: 8: Hoare triple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,555 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {106#true} #129#return; {149#(not (= 0 |ebda_rsrc_controller_#t~ret4.base|))} is VALID [2020-07-08 16:23:32,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} havoc ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset; {106#true} is VALID [2020-07-08 16:23:32,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {106#true} havoc ~bus_info_ptr1~0.base, ~bus_info_ptr1~0.offset; {106#true} is VALID [2020-07-08 16:23:32,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} havoc ~rc~0; {106#true} is VALID [2020-07-08 16:23:32,559 INFO L263 TraceCheckUtils]: 3: Hoare triple {106#true} call #t~ret4.base, #t~ret4.offset := kzalloc(8, 1); {151#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:32,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {151#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {106#true} is VALID [2020-07-08 16:23:32,560 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#true} ~flags := #in~flags; {106#true} is VALID [2020-07-08 16:23:32,562 INFO L280 TraceCheckUtils]: 6: Hoare triple {106#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,564 INFO L263 TraceCheckUtils]: 7: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {157#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:32,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {157#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {106#true} is VALID [2020-07-08 16:23:32,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,566 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {106#true} {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,567 INFO L280 TraceCheckUtils]: 12: Hoare triple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,569 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {106#true} #129#return; {149#(not (= 0 |ebda_rsrc_controller_#t~ret4.base|))} is VALID [2020-07-08 16:23:32,570 INFO L280 TraceCheckUtils]: 14: Hoare triple {149#(not (= 0 |ebda_rsrc_controller_#t~ret4.base|))} ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset := #t~ret4.base, #t~ret4.offset; {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} is VALID [2020-07-08 16:23:32,571 INFO L280 TraceCheckUtils]: 15: Hoare triple {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} havoc #t~ret4.base, #t~ret4.offset; {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} is VALID [2020-07-08 16:23:32,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} assume ~hp_slot_ptr~0.base == 0 && ~hp_slot_ptr~0.offset == 0; {107#false} is VALID [2020-07-08 16:23:32,573 INFO L280 TraceCheckUtils]: 17: Hoare triple {107#false} ~rc~0 := -2; {107#false} is VALID [2020-07-08 16:23:32,573 INFO L280 TraceCheckUtils]: 18: Hoare triple {107#false} #res := ~rc~0; {107#false} is VALID [2020-07-08 16:23:32,573 INFO L280 TraceCheckUtils]: 19: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-08 16:23:32,574 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {107#false} {106#true} #143#return; {107#false} is VALID [2020-07-08 16:23:32,582 INFO L263 TraceCheckUtils]: 0: Hoare triple {106#true} call ULTIMATE.init(); {137#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} is VALID [2020-07-08 16:23:32,583 INFO L280 TraceCheckUtils]: 1: Hoare triple {137#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {106#true} is VALID [2020-07-08 16:23:32,583 INFO L280 TraceCheckUtils]: 2: Hoare triple {106#true} #valid := #valid[0 := 0]; {106#true} is VALID [2020-07-08 16:23:32,584 INFO L280 TraceCheckUtils]: 3: Hoare triple {106#true} assume 0 < #StackHeapBarrier; {106#true} is VALID [2020-07-08 16:23:32,584 INFO L280 TraceCheckUtils]: 4: Hoare triple {106#true} ~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0; {106#true} is VALID [2020-07-08 16:23:32,584 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#true} ~used_tmp_slot~0 := 0; {106#true} is VALID [2020-07-08 16:23:32,585 INFO L280 TraceCheckUtils]: 6: Hoare triple {106#true} ~freed_tmp_slot~0 := 1; {106#true} is VALID [2020-07-08 16:23:32,585 INFO L280 TraceCheckUtils]: 7: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,585 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {106#true} {106#true} #151#return; {106#true} is VALID [2020-07-08 16:23:32,586 INFO L263 TraceCheckUtils]: 9: Hoare triple {106#true} call #t~ret11 := main(); {106#true} is VALID [2020-07-08 16:23:32,588 INFO L263 TraceCheckUtils]: 10: Hoare triple {106#true} call #t~ret10 := ebda_rsrc_controller(); {138#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} is VALID [2020-07-08 16:23:32,589 INFO L280 TraceCheckUtils]: 11: Hoare triple {138#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} havoc ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset; {106#true} is VALID [2020-07-08 16:23:32,589 INFO L280 TraceCheckUtils]: 12: Hoare triple {106#true} havoc ~bus_info_ptr1~0.base, ~bus_info_ptr1~0.offset; {106#true} is VALID [2020-07-08 16:23:32,590 INFO L280 TraceCheckUtils]: 13: Hoare triple {106#true} havoc ~rc~0; {106#true} is VALID [2020-07-08 16:23:32,591 INFO L263 TraceCheckUtils]: 14: Hoare triple {106#true} call #t~ret4.base, #t~ret4.offset := kzalloc(8, 1); {151#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:32,592 INFO L280 TraceCheckUtils]: 15: Hoare triple {151#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {106#true} is VALID [2020-07-08 16:23:32,592 INFO L280 TraceCheckUtils]: 16: Hoare triple {106#true} ~flags := #in~flags; {106#true} is VALID [2020-07-08 16:23:32,594 INFO L280 TraceCheckUtils]: 17: Hoare triple {106#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,596 INFO L263 TraceCheckUtils]: 18: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {157#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:32,596 INFO L280 TraceCheckUtils]: 19: Hoare triple {157#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {106#true} is VALID [2020-07-08 16:23:32,597 INFO L280 TraceCheckUtils]: 20: Hoare triple {106#true} assume true; {106#true} is VALID [2020-07-08 16:23:32,598 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {106#true} {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:32,599 INFO L280 TraceCheckUtils]: 22: Hoare triple {152#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,600 INFO L280 TraceCheckUtils]: 23: Hoare triple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:32,602 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {156#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {106#true} #129#return; {149#(not (= 0 |ebda_rsrc_controller_#t~ret4.base|))} is VALID [2020-07-08 16:23:32,603 INFO L280 TraceCheckUtils]: 25: Hoare triple {149#(not (= 0 |ebda_rsrc_controller_#t~ret4.base|))} ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset := #t~ret4.base, #t~ret4.offset; {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} is VALID [2020-07-08 16:23:32,604 INFO L280 TraceCheckUtils]: 26: Hoare triple {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} havoc #t~ret4.base, #t~ret4.offset; {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} is VALID [2020-07-08 16:23:32,605 INFO L280 TraceCheckUtils]: 27: Hoare triple {150#(not (= 0 ebda_rsrc_controller_~hp_slot_ptr~0.base))} assume ~hp_slot_ptr~0.base == 0 && ~hp_slot_ptr~0.offset == 0; {107#false} is VALID [2020-07-08 16:23:32,606 INFO L280 TraceCheckUtils]: 28: Hoare triple {107#false} ~rc~0 := -2; {107#false} is VALID [2020-07-08 16:23:32,606 INFO L280 TraceCheckUtils]: 29: Hoare triple {107#false} #res := ~rc~0; {107#false} is VALID [2020-07-08 16:23:32,606 INFO L280 TraceCheckUtils]: 30: Hoare triple {107#false} assume true; {107#false} is VALID [2020-07-08 16:23:32,607 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {107#false} {106#true} #143#return; {107#false} is VALID [2020-07-08 16:23:32,607 INFO L280 TraceCheckUtils]: 32: Hoare triple {107#false} assume -2147483648 <= #t~ret10 && #t~ret10 <= 2147483647; {107#false} is VALID [2020-07-08 16:23:32,608 INFO L280 TraceCheckUtils]: 33: Hoare triple {107#false} havoc #t~ret10; {107#false} is VALID [2020-07-08 16:23:32,608 INFO L280 TraceCheckUtils]: 34: Hoare triple {107#false} assume 0 == ~used_tmp_slot~0; {107#false} is VALID [2020-07-08 16:23:32,608 INFO L280 TraceCheckUtils]: 35: Hoare triple {107#false} assume !(0 != ~freed_tmp_slot~0); {107#false} is VALID [2020-07-08 16:23:32,609 INFO L263 TraceCheckUtils]: 36: Hoare triple {107#false} call __blast_assert(); {107#false} is VALID [2020-07-08 16:23:32,609 INFO L280 TraceCheckUtils]: 37: Hoare triple {107#false} assume !false; {107#false} is VALID [2020-07-08 16:23:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:23:32,614 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:23:32,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004797251] [2020-07-08 16:23:32,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:23:32,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 16:23:32,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745539031] [2020-07-08 16:23:32,625 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-07-08 16:23:32,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:23:32,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 16:23:32,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:32,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 16:23:32,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:23:32,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 16:23:32,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-08 16:23:32,705 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2020-07-08 16:23:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:34,562 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2020-07-08 16:23:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-08 16:23:34,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-07-08 16:23:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:23:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:23:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 132 transitions. [2020-07-08 16:23:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:23:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 132 transitions. [2020-07-08 16:23:34,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 132 transitions. [2020-07-08 16:23:34,779 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:34,798 INFO L225 Difference]: With dead ends: 119 [2020-07-08 16:23:34,798 INFO L226 Difference]: Without dead ends: 98 [2020-07-08 16:23:34,802 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 [2020-07-08 16:23:34,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-08 16:23:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-07-08 16:23:35,032 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:23:35,032 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 96 states. [2020-07-08 16:23:35,033 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 96 states. [2020-07-08 16:23:35,033 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 96 states. [2020-07-08 16:23:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:35,045 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-07-08 16:23:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2020-07-08 16:23:35,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:23:35,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:23:35,047 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 98 states. [2020-07-08 16:23:35,048 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 98 states. [2020-07-08 16:23:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:35,058 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-07-08 16:23:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2020-07-08 16:23:35,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:23:35,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:23:35,060 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:23:35,060 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:23:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-08 16:23:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-07-08 16:23:35,072 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 38 [2020-07-08 16:23:35,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:23:35,072 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-07-08 16:23:35,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 16:23:35,073 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 96 states and 103 transitions. [2020-07-08 16:23:35,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-07-08 16:23:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-08 16:23:35,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:23:35,240 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] [2020-07-08 16:23:35,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:23:35,241 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:23:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:23:35,241 INFO L82 PathProgramCache]: Analyzing trace with hash -630533651, now seen corresponding path program 1 times [2020-07-08 16:23:35,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:23:35,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137126306] [2020-07-08 16:23:35,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:23:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,425 INFO L280 TraceCheckUtils]: 0: Hoare triple {841#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {795#true} is VALID [2020-07-08 16:23:35,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} #valid := #valid[0 := 0]; {795#true} is VALID [2020-07-08 16:23:35,426 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#true} assume 0 < #StackHeapBarrier; {795#true} is VALID [2020-07-08 16:23:35,426 INFO L280 TraceCheckUtils]: 3: Hoare triple {795#true} ~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0; {795#true} is VALID [2020-07-08 16:23:35,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {795#true} ~used_tmp_slot~0 := 0; {795#true} is VALID [2020-07-08 16:23:35,426 INFO L280 TraceCheckUtils]: 5: Hoare triple {795#true} ~freed_tmp_slot~0 := 1; {795#true} is VALID [2020-07-08 16:23:35,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,427 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {795#true} {795#true} #151#return; {795#true} is VALID [2020-07-08 16:23:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,576 INFO L280 TraceCheckUtils]: 0: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,577 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {795#true} {795#true} #149#return; {795#true} is VALID [2020-07-08 16:23:35,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,579 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {795#true} is VALID [2020-07-08 16:23:35,586 INFO L263 TraceCheckUtils]: 3: Hoare triple {795#true} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,587 INFO L280 TraceCheckUtils]: 4: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,587 INFO L280 TraceCheckUtils]: 5: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,587 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {795#true} {795#true} #149#return; {795#true} is VALID [2020-07-08 16:23:35,588 INFO L280 TraceCheckUtils]: 7: Hoare triple {795#true} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {795#true} is VALID [2020-07-08 16:23:35,588 INFO L280 TraceCheckUtils]: 8: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,588 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {795#true} {795#true} #129#return; {795#true} is VALID [2020-07-08 16:23:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:23:35,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,664 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {795#true} {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,667 INFO L263 TraceCheckUtils]: 3: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,668 INFO L280 TraceCheckUtils]: 4: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,668 INFO L280 TraceCheckUtils]: 5: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,669 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {795#true} {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,670 INFO L280 TraceCheckUtils]: 7: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,671 INFO L280 TraceCheckUtils]: 8: Hoare triple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,672 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {795#true} #131#return; {863#(not (= 0 |ebda_rsrc_controller_#t~ret5.base|))} is VALID [2020-07-08 16:23:35,673 INFO L280 TraceCheckUtils]: 0: Hoare triple {842#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} havoc ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset; {795#true} is VALID [2020-07-08 16:23:35,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#true} havoc ~bus_info_ptr1~0.base, ~bus_info_ptr1~0.offset; {795#true} is VALID [2020-07-08 16:23:35,673 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#true} havoc ~rc~0; {795#true} is VALID [2020-07-08 16:23:35,674 INFO L263 TraceCheckUtils]: 3: Hoare triple {795#true} call #t~ret4.base, #t~ret4.offset := kzalloc(8, 1); {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:35,674 INFO L280 TraceCheckUtils]: 4: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,674 INFO L280 TraceCheckUtils]: 5: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,675 INFO L280 TraceCheckUtils]: 6: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {795#true} is VALID [2020-07-08 16:23:35,676 INFO L263 TraceCheckUtils]: 7: Hoare triple {795#true} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,677 INFO L280 TraceCheckUtils]: 8: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,677 INFO L280 TraceCheckUtils]: 9: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,677 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {795#true} {795#true} #149#return; {795#true} is VALID [2020-07-08 16:23:35,677 INFO L280 TraceCheckUtils]: 11: Hoare triple {795#true} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {795#true} is VALID [2020-07-08 16:23:35,678 INFO L280 TraceCheckUtils]: 12: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,678 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {795#true} {795#true} #129#return; {795#true} is VALID [2020-07-08 16:23:35,678 INFO L280 TraceCheckUtils]: 14: Hoare triple {795#true} ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset := #t~ret4.base, #t~ret4.offset; {795#true} is VALID [2020-07-08 16:23:35,679 INFO L280 TraceCheckUtils]: 15: Hoare triple {795#true} havoc #t~ret4.base, #t~ret4.offset; {795#true} is VALID [2020-07-08 16:23:35,679 INFO L280 TraceCheckUtils]: 16: Hoare triple {795#true} assume !(~hp_slot_ptr~0.base == 0 && ~hp_slot_ptr~0.offset == 0); {795#true} is VALID [2020-07-08 16:23:35,679 INFO L280 TraceCheckUtils]: 17: Hoare triple {795#true} SUMMARY for call write~int(5, ~hp_slot_ptr~0.base, 4 + ~hp_slot_ptr~0.offset, 4); srcloc: L81 {795#true} is VALID [2020-07-08 16:23:35,681 INFO L263 TraceCheckUtils]: 18: Hoare triple {795#true} call #t~ret5.base, #t~ret5.offset := kzalloc(16, 1); {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:35,681 INFO L280 TraceCheckUtils]: 19: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,682 INFO L280 TraceCheckUtils]: 20: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,683 INFO L280 TraceCheckUtils]: 21: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,685 INFO L263 TraceCheckUtils]: 22: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,686 INFO L280 TraceCheckUtils]: 23: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,686 INFO L280 TraceCheckUtils]: 24: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,688 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {795#true} {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,690 INFO L280 TraceCheckUtils]: 26: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,690 INFO L280 TraceCheckUtils]: 27: Hoare triple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,691 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {795#true} #131#return; {863#(not (= 0 |ebda_rsrc_controller_#t~ret5.base|))} is VALID [2020-07-08 16:23:35,692 INFO L280 TraceCheckUtils]: 29: Hoare triple {863#(not (= 0 |ebda_rsrc_controller_#t~ret5.base|))} ~tmp_slot~0.base, ~tmp_slot~0.offset := #t~ret5.base, #t~ret5.offset; {864#(not (= 0 ~tmp_slot~0.base))} is VALID [2020-07-08 16:23:35,692 INFO L280 TraceCheckUtils]: 30: Hoare triple {864#(not (= 0 ~tmp_slot~0.base))} havoc #t~ret5.base, #t~ret5.offset; {864#(not (= 0 ~tmp_slot~0.base))} is VALID [2020-07-08 16:23:35,693 INFO L280 TraceCheckUtils]: 31: Hoare triple {864#(not (= 0 ~tmp_slot~0.base))} assume ~tmp_slot~0.base == 0 && ~tmp_slot~0.offset == 0; {796#false} is VALID [2020-07-08 16:23:35,693 INFO L280 TraceCheckUtils]: 32: Hoare triple {796#false} ~rc~0 := -2; {796#false} is VALID [2020-07-08 16:23:35,693 INFO L280 TraceCheckUtils]: 33: Hoare triple {796#false} #res := ~rc~0; {796#false} is VALID [2020-07-08 16:23:35,694 INFO L280 TraceCheckUtils]: 34: Hoare triple {796#false} assume true; {796#false} is VALID [2020-07-08 16:23:35,694 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {796#false} {795#true} #143#return; {796#false} is VALID [2020-07-08 16:23:35,698 INFO L263 TraceCheckUtils]: 0: Hoare triple {795#true} call ULTIMATE.init(); {841#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} is VALID [2020-07-08 16:23:35,698 INFO L280 TraceCheckUtils]: 1: Hoare triple {841#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {795#true} is VALID [2020-07-08 16:23:35,699 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#true} #valid := #valid[0 := 0]; {795#true} is VALID [2020-07-08 16:23:35,699 INFO L280 TraceCheckUtils]: 3: Hoare triple {795#true} assume 0 < #StackHeapBarrier; {795#true} is VALID [2020-07-08 16:23:35,699 INFO L280 TraceCheckUtils]: 4: Hoare triple {795#true} ~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0; {795#true} is VALID [2020-07-08 16:23:35,699 INFO L280 TraceCheckUtils]: 5: Hoare triple {795#true} ~used_tmp_slot~0 := 0; {795#true} is VALID [2020-07-08 16:23:35,700 INFO L280 TraceCheckUtils]: 6: Hoare triple {795#true} ~freed_tmp_slot~0 := 1; {795#true} is VALID [2020-07-08 16:23:35,700 INFO L280 TraceCheckUtils]: 7: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,700 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {795#true} {795#true} #151#return; {795#true} is VALID [2020-07-08 16:23:35,701 INFO L263 TraceCheckUtils]: 9: Hoare triple {795#true} call #t~ret11 := main(); {795#true} is VALID [2020-07-08 16:23:35,702 INFO L263 TraceCheckUtils]: 10: Hoare triple {795#true} call #t~ret10 := ebda_rsrc_controller(); {842#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} is VALID [2020-07-08 16:23:35,702 INFO L280 TraceCheckUtils]: 11: Hoare triple {842#(and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#length)| |#length|) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|))} havoc ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset; {795#true} is VALID [2020-07-08 16:23:35,703 INFO L280 TraceCheckUtils]: 12: Hoare triple {795#true} havoc ~bus_info_ptr1~0.base, ~bus_info_ptr1~0.offset; {795#true} is VALID [2020-07-08 16:23:35,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {795#true} havoc ~rc~0; {795#true} is VALID [2020-07-08 16:23:35,704 INFO L263 TraceCheckUtils]: 14: Hoare triple {795#true} call #t~ret4.base, #t~ret4.offset := kzalloc(8, 1); {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:35,704 INFO L280 TraceCheckUtils]: 15: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,705 INFO L280 TraceCheckUtils]: 16: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,705 INFO L280 TraceCheckUtils]: 17: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {795#true} is VALID [2020-07-08 16:23:35,706 INFO L263 TraceCheckUtils]: 18: Hoare triple {795#true} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,706 INFO L280 TraceCheckUtils]: 19: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,707 INFO L280 TraceCheckUtils]: 20: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,707 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {795#true} {795#true} #149#return; {795#true} is VALID [2020-07-08 16:23:35,707 INFO L280 TraceCheckUtils]: 22: Hoare triple {795#true} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {795#true} is VALID [2020-07-08 16:23:35,707 INFO L280 TraceCheckUtils]: 23: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,708 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {795#true} {795#true} #129#return; {795#true} is VALID [2020-07-08 16:23:35,708 INFO L280 TraceCheckUtils]: 25: Hoare triple {795#true} ~hp_slot_ptr~0.base, ~hp_slot_ptr~0.offset := #t~ret4.base, #t~ret4.offset; {795#true} is VALID [2020-07-08 16:23:35,708 INFO L280 TraceCheckUtils]: 26: Hoare triple {795#true} havoc #t~ret4.base, #t~ret4.offset; {795#true} is VALID [2020-07-08 16:23:35,708 INFO L280 TraceCheckUtils]: 27: Hoare triple {795#true} assume !(~hp_slot_ptr~0.base == 0 && ~hp_slot_ptr~0.offset == 0); {795#true} is VALID [2020-07-08 16:23:35,708 INFO L280 TraceCheckUtils]: 28: Hoare triple {795#true} SUMMARY for call write~int(5, ~hp_slot_ptr~0.base, 4 + ~hp_slot_ptr~0.offset, 4); srcloc: L81 {795#true} is VALID [2020-07-08 16:23:35,710 INFO L263 TraceCheckUtils]: 29: Hoare triple {795#true} call #t~ret5.base, #t~ret5.offset := kzalloc(16, 1); {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 16:23:35,710 INFO L280 TraceCheckUtils]: 30: Hoare triple {865#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~size := #in~size; {795#true} is VALID [2020-07-08 16:23:35,710 INFO L280 TraceCheckUtils]: 31: Hoare triple {795#true} ~flags := #in~flags; {795#true} is VALID [2020-07-08 16:23:35,712 INFO L280 TraceCheckUtils]: 32: Hoare triple {795#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(~size); srcloc: L46-1 {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,714 INFO L263 TraceCheckUtils]: 33: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} call #Ultimate.meminit(#t~malloc0.base, #t~malloc0.offset, 1, ~size, ~size); {869#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 16:23:35,714 INFO L280 TraceCheckUtils]: 34: Hoare triple {869#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {795#true} is VALID [2020-07-08 16:23:35,715 INFO L280 TraceCheckUtils]: 35: Hoare triple {795#true} assume true; {795#true} is VALID [2020-07-08 16:23:35,716 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {795#true} {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #149#return; {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} is VALID [2020-07-08 16:23:35,718 INFO L280 TraceCheckUtils]: 37: Hoare triple {870#(or (< 0 |kzalloc_#t~malloc0.base|) (<= (+ |kzalloc_#t~malloc0.base| 1) 0))} #res.base, #res.offset := #t~malloc0.base, #t~malloc0.offset; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,719 INFO L280 TraceCheckUtils]: 38: Hoare triple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} assume true; {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} is VALID [2020-07-08 16:23:35,722 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {874#(or (<= 1 |kzalloc_#res.base|) (<= (+ |kzalloc_#res.base| 1) 0))} {795#true} #131#return; {863#(not (= 0 |ebda_rsrc_controller_#t~ret5.base|))} is VALID [2020-07-08 16:23:35,723 INFO L280 TraceCheckUtils]: 40: Hoare triple {863#(not (= 0 |ebda_rsrc_controller_#t~ret5.base|))} ~tmp_slot~0.base, ~tmp_slot~0.offset := #t~ret5.base, #t~ret5.offset; {864#(not (= 0 ~tmp_slot~0.base))} is VALID [2020-07-08 16:23:35,723 INFO L280 TraceCheckUtils]: 41: Hoare triple {864#(not (= 0 ~tmp_slot~0.base))} havoc #t~ret5.base, #t~ret5.offset; {864#(not (= 0 ~tmp_slot~0.base))} is VALID [2020-07-08 16:23:35,724 INFO L280 TraceCheckUtils]: 42: Hoare triple {864#(not (= 0 ~tmp_slot~0.base))} assume ~tmp_slot~0.base == 0 && ~tmp_slot~0.offset == 0; {796#false} is VALID [2020-07-08 16:23:35,725 INFO L280 TraceCheckUtils]: 43: Hoare triple {796#false} ~rc~0 := -2; {796#false} is VALID [2020-07-08 16:23:35,725 INFO L280 TraceCheckUtils]: 44: Hoare triple {796#false} #res := ~rc~0; {796#false} is VALID [2020-07-08 16:23:35,725 INFO L280 TraceCheckUtils]: 45: Hoare triple {796#false} assume true; {796#false} is VALID [2020-07-08 16:23:35,725 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {796#false} {795#true} #143#return; {796#false} is VALID [2020-07-08 16:23:35,726 INFO L280 TraceCheckUtils]: 47: Hoare triple {796#false} assume -2147483648 <= #t~ret10 && #t~ret10 <= 2147483647; {796#false} is VALID [2020-07-08 16:23:35,726 INFO L280 TraceCheckUtils]: 48: Hoare triple {796#false} havoc #t~ret10; {796#false} is VALID [2020-07-08 16:23:35,726 INFO L280 TraceCheckUtils]: 49: Hoare triple {796#false} assume 0 == ~used_tmp_slot~0; {796#false} is VALID [2020-07-08 16:23:35,726 INFO L280 TraceCheckUtils]: 50: Hoare triple {796#false} assume !(0 != ~freed_tmp_slot~0); {796#false} is VALID [2020-07-08 16:23:35,727 INFO L263 TraceCheckUtils]: 51: Hoare triple {796#false} call __blast_assert(); {796#false} is VALID [2020-07-08 16:23:35,727 INFO L280 TraceCheckUtils]: 52: Hoare triple {796#false} assume !false; {796#false} is VALID [2020-07-08 16:23:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-08 16:23:35,732 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:23:35,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137126306] [2020-07-08 16:23:35,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:23:35,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 16:23:35,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245078518] [2020-07-08 16:23:35,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-07-08 16:23:35,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:23:35,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 16:23:35,798 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:35,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 16:23:35,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:23:35,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 16:23:35,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-08 16:23:35,799 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-07-08 16:23:37,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:37,853 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-07-08 16:23:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 16:23:37,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-07-08 16:23:37,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:23:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:23:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-08 16:23:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:23:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-08 16:23:37,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 124 transitions. [2020-07-08 16:23:38,062 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:38,068 INFO L225 Difference]: With dead ends: 118 [2020-07-08 16:23:38,068 INFO L226 Difference]: Without dead ends: 107 [2020-07-08 16:23:38,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-07-08 16:23:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-08 16:23:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-07-08 16:23:38,346 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:23:38,346 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 105 states. [2020-07-08 16:23:38,347 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 105 states. [2020-07-08 16:23:38,347 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 105 states. [2020-07-08 16:23:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:38,357 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2020-07-08 16:23:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2020-07-08 16:23:38,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:23:38,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:23:38,359 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 107 states. [2020-07-08 16:23:38,359 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 107 states. [2020-07-08 16:23:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:38,373 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2020-07-08 16:23:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2020-07-08 16:23:38,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:23:38,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:23:38,378 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:23:38,378 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:23:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-08 16:23:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-07-08 16:23:38,391 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 53 [2020-07-08 16:23:38,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:23:38,391 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-07-08 16:23:38,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 16:23:38,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 105 states and 110 transitions. [2020-07-08 16:23:38,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-07-08 16:23:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-08 16:23:38,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:23:38,570 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-08 16:23:38,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 16:23:38,571 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:23:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:23:38,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695258, now seen corresponding path program 1 times [2020-07-08 16:23:38,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:23:38,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877822430] [2020-07-08 16:23:38,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:23:38,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 16:23:38,603 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:277) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 16:23:38,610 INFO L168 Benchmark]: Toolchain (without parser) took 7914.57 ms. Allocated memory was 143.7 MB in the beginning and 312.0 MB in the end (delta: 168.3 MB). Free memory was 100.3 MB in the beginning and 244.1 MB in the end (delta: -143.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,611 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.88 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 179.7 MB in the end (delta: -79.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,613 INFO L168 Benchmark]: Boogie Preprocessor took 86.44 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 177.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,613 INFO L168 Benchmark]: RCFGBuilder took 670.67 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 134.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,614 INFO L168 Benchmark]: TraceAbstraction took 6765.96 ms. Allocated memory was 200.8 MB in the beginning and 312.0 MB in the end (delta: 111.1 MB). Free memory was 133.5 MB in the beginning and 244.1 MB in the end (delta: -110.6 MB). Peak memory consumption was 533.9 kB. Max. memory is 7.1 GB. [2020-07-08 16:23:38,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 384.88 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.1 MB in the beginning and 179.7 MB in the end (delta: -79.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.44 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 177.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.67 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 134.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6765.96 ms. Allocated memory was 200.8 MB in the beginning and 312.0 MB in the end (delta: 111.1 MB). Free memory was 133.5 MB in the beginning and 244.1 MB in the end (delta: -110.6 MB). Peak memory consumption was 533.9 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...