/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:25:55,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:25:55,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:25:55,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:25:55,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:25:55,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:25:55,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:25:55,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:25:55,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:25:55,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:25:55,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:25:55,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:25:55,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:25:55,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:25:55,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:25:55,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:25:55,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:25:55,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:25:55,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:25:55,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:25:55,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:25:55,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:25:55,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:25:55,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:25:55,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 18:25:55,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 18:25:55,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 18:25:55,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 18:25:55,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 18:25:55,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 18:25:55,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 18:25:55,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 18:25:55,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 18:25:55,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 18:25:55,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 18:25:55,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 18:25:55,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 18:25:55,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 18:25:55,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:25:55,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:25:55,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:25:55,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:25:55,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:25:55,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:25:55,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:25:55,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:25:55,575 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:25:55,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:25:55,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:25:55,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:25:55,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:25:55,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:25:55,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:25:55,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:25:55,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:25:55,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:25:55,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:25:55,577 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:25:55,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:25:55,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:25:55,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:25:55,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:25:55,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:25:55,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:25:55,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:25:55,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:25:55,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:25:55,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:25:55,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:25:55,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:25:55,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:25:55,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:25:55,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:25:56,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:25:56,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:25:56,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:25:56,019 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:25:56,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-23 18:25:56,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1f45c4e/e3aaba613701471bb875370d726af29c/FLAG49555fb5a [2020-10-23 18:25:56,719 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:25:56,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-23 18:25:56,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1f45c4e/e3aaba613701471bb875370d726af29c/FLAG49555fb5a [2020-10-23 18:25:57,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1f45c4e/e3aaba613701471bb875370d726af29c [2020-10-23 18:25:57,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:25:57,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:25:57,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:25:57,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:25:57,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:25:57,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb69c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57, skipping insertion in model container [2020-10-23 18:25:57,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:25:57,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:25:57,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:25:57,444 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:25:57,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:25:57,498 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:25:57,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57 WrapperNode [2020-10-23 18:25:57,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:25:57,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:25:57,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:25:57,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:25:57,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (1/1) ... [2020-10-23 18:25:57,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:25:57,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:25:57,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:25:57,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:25:57,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (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 [2020-10-23 18:25:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:25:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:25:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:25:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-23 18:25:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-23 18:25:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-23 18:25:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-23 18:25:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-23 18:25:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-23 18:25:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-23 18:25:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:25:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-23 18:25:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-23 18:25:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-23 18:25:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 18:25:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-23 18:25:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-23 18:25:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-23 18:25:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 18:25:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 18:25:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:25:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:25:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:25:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:25:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:25:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:25:58,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:25:58,329 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 18:25:58,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:25:58 BoogieIcfgContainer [2020-10-23 18:25:58,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:25:58,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:25:58,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:25:58,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:25:58,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:25:57" (1/3) ... [2020-10-23 18:25:58,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3789e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:25:58, skipping insertion in model container [2020-10-23 18:25:58,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:25:57" (2/3) ... [2020-10-23 18:25:58,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3789e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:25:58, skipping insertion in model container [2020-10-23 18:25:58,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:25:58" (3/3) ... [2020-10-23 18:25:58,340 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-10-23 18:25:58,353 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:25:58,359 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:25:58,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:25:58,407 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:25:58,408 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:25:58,408 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:25:58,408 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:25:58,408 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:25:58,408 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:25:58,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:25:58,409 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:25:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-23 18:25:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-23 18:25:58,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:25:58,437 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] [2020-10-23 18:25:58,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:25:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:25:58,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1371850267, now seen corresponding path program 1 times [2020-10-23 18:25:58,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:25:58,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598030190] [2020-10-23 18:25:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:25:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,829 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-10-23 18:25:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:25:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:25:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:25:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:25:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:25:59,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598030190] [2020-10-23 18:25:59,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:25:59,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 18:25:59,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395738089] [2020-10-23 18:25:59,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:25:59,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:25:59,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:25:59,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:25:59,194 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 10 states. [2020-10-23 18:26:00,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:00,021 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-10-23 18:26:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 18:26:00,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-10-23 18:26:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:00,035 INFO L225 Difference]: With dead ends: 82 [2020-10-23 18:26:00,035 INFO L226 Difference]: Without dead ends: 59 [2020-10-23 18:26:00,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:26:00,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-23 18:26:00,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-10-23 18:26:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-23 18:26:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2020-10-23 18:26:00,097 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 27 [2020-10-23 18:26:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:00,099 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2020-10-23 18:26:00,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:26:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2020-10-23 18:26:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-23 18:26:00,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:26:00,102 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 18:26:00,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:26:00,103 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:26:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:26:00,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1040777187, now seen corresponding path program 1 times [2020-10-23 18:26:00,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:26:00,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529955764] [2020-10-23 18:26:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:26:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:26:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:26:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-23 18:26:00,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529955764] [2020-10-23 18:26:00,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:26:00,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 18:26:00,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999621964] [2020-10-23 18:26:00,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:26:00,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:26:00,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:26:00,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:26:00,541 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 10 states. [2020-10-23 18:26:01,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:01,427 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2020-10-23 18:26:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 18:26:01,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-10-23 18:26:01,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:01,430 INFO L225 Difference]: With dead ends: 77 [2020-10-23 18:26:01,431 INFO L226 Difference]: Without dead ends: 67 [2020-10-23 18:26:01,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-23 18:26:01,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-23 18:26:01,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-10-23 18:26:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-23 18:26:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-10-23 18:26:01,448 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 38 [2020-10-23 18:26:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:01,449 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-10-23 18:26:01,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:26:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-10-23 18:26:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-23 18:26:01,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:26:01,451 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:26:01,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:26:01,452 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:26:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:26:01,452 INFO L82 PathProgramCache]: Analyzing trace with hash -2106647823, now seen corresponding path program 1 times [2020-10-23 18:26:01,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:26:01,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710487920] [2020-10-23 18:26:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:26:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:26:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:26:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-23 18:26:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-23 18:26:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-23 18:26:01,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710487920] [2020-10-23 18:26:01,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:26:01,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-23 18:26:01,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749500580] [2020-10-23 18:26:01,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 18:26:01,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:26:01,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 18:26:01,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:26:01,811 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 13 states. [2020-10-23 18:26:02,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:02,420 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2020-10-23 18:26:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 18:26:02,421 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2020-10-23 18:26:02,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:02,423 INFO L225 Difference]: With dead ends: 84 [2020-10-23 18:26:02,424 INFO L226 Difference]: Without dead ends: 67 [2020-10-23 18:26:02,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-10-23 18:26:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-23 18:26:02,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-10-23 18:26:02,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-23 18:26:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-10-23 18:26:02,459 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 60 [2020-10-23 18:26:02,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:02,460 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-10-23 18:26:02,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 18:26:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-10-23 18:26:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-23 18:26:02,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:26:02,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:26:02,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:26:02,466 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:26:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:26:02,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1403538729, now seen corresponding path program 1 times [2020-10-23 18:26:02,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:26:02,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229840612] [2020-10-23 18:26:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:26:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-23 18:26:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 18:26:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-23 18:26:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:26:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 18:26:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 18:26:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 18:26:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:26:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-23 18:26:02,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229840612] [2020-10-23 18:26:02,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:26:02,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:26:02,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058322897] [2020-10-23 18:26:02,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:26:02,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:26:02,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:26:02,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:26:02,757 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 7 states. [2020-10-23 18:26:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:26:03,154 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-10-23 18:26:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:26:03,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-23 18:26:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:26:03,157 INFO L225 Difference]: With dead ends: 67 [2020-10-23 18:26:03,157 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:26:03,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:26:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:26:03,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:26:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:26:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:26:03,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-23 18:26:03,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:26:03,162 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:26:03,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:26:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:26:03,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:26:03,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:26:03,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:26:03,889 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 18:26:03,889 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 18:26:03,890 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 18:26:03,890 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 18:26:03,891 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-10-23 18:26:03,891 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:26:03,891 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-10-23 18:26:03,891 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-10-23 18:26:03,891 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,892 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 18:26:03,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,892 INFO L274 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-10-23 18:26:03,892 INFO L274 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-10-23 18:26:03,892 INFO L270 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-10-23 18:26:03,892 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-23 18:26:03,893 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0))) [2020-10-23 18:26:03,893 INFO L274 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-23 18:26:03,893 INFO L274 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-10-23 18:26:03,893 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:26:03,893 INFO L274 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-10-23 18:26:03,893 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-23 18:26:03,893 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-23 18:26:03,894 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-23 18:26:03,894 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-23 18:26:03,894 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-23 18:26:03,894 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-10-23 18:26:03,894 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-10-23 18:26:03,894 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-10-23 18:26:03,894 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 18:26:03,895 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 18:26:03,895 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 18:26:03,895 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-10-23 18:26:03,895 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-23 18:26:03,895 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-10-23 18:26:03,895 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-10-23 18:26:03,895 INFO L270 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 18:26:03,895 INFO L274 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-23 18:26:03,896 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-10-23 18:26:03,896 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-10-23 18:26:03,896 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-23 18:26:03,896 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-10-23 18:26:03,896 INFO L274 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-10-23 18:26:03,913 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-10-23 18:26:03,914 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-23 18:26:03,914 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,915 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 18:26:03,915 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:26:03,915 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,915 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:26:03,915 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-10-23 18:26:03,915 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:26:03,915 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-10-23 18:26:03,915 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-23 18:26:03,916 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: false [2020-10-23 18:26:03,916 INFO L274 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-10-23 18:26:03,916 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-23 18:26:03,916 INFO L274 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-10-23 18:26:03,916 INFO L274 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-10-23 18:26:03,916 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-23 18:26:03,916 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,916 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:26:03,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:26:03 BoogieIcfgContainer [2020-10-23 18:26:03,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:26:03,937 INFO L168 Benchmark]: Toolchain (without parser) took 6817.45 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 138.6 MB in the beginning and 183.9 MB in the end (delta: -45.4 MB). Peak memory consumption was 111.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:03,938 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 136.6 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:26:03,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.85 ms. Allocated memory is still 162.5 MB. Free memory was 138.0 MB in the beginning and 127.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:03,940 INFO L168 Benchmark]: Boogie Preprocessor took 50.27 ms. Allocated memory is still 162.5 MB. Free memory was 127.4 MB in the beginning and 125.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:03,941 INFO L168 Benchmark]: RCFGBuilder took 778.99 ms. Allocated memory is still 162.5 MB. Free memory was 125.6 MB in the beginning and 134.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:03,942 INFO L168 Benchmark]: TraceAbstraction took 5602.78 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 134.4 MB in the beginning and 183.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:26:03,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 136.6 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 370.85 ms. Allocated memory is still 162.5 MB. Free memory was 138.0 MB in the beginning and 127.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.27 ms. Allocated memory is still 162.5 MB. Free memory was 127.4 MB in the beginning and 125.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 778.99 ms. Allocated memory is still 162.5 MB. Free memory was 125.6 MB in the beginning and 134.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5602.78 ms. Allocated memory was 162.5 MB in the beginning and 203.4 MB in the end (delta: 40.9 MB). Free memory was 134.4 MB in the beginning and 183.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 214 SDtfs, 197 SDslu, 728 SDs, 0 SdLazy, 691 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 35 PreInvPairs, 38 NumberOfFragments, 262 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 553 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 35914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 56/56 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 correct! Received shutdown request...